/**
 * Auth Modern Styles - 登录页面现代化样式
 * 赛镜智评设计系统
 */

/* ========================================
 * Login Page Layout
 * ======================================== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
}

/* Background with blur overlay */
.auth-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.2) 100%);
  z-index: 1;
}

/* ========================================
 * Login Card - 弥散阴影 + 磨砂玻璃效果
 * ======================================== */
.auth-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 -20px 40px -20px rgba(255, 255, 255, 0.1) inset;
  padding: var(--space-10);
  animation: authCardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authCardIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========================================
 * Logo & Header
 * ======================================== */
.auth-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366f1 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.auth-logo svg,
.auth-logo img {
  width: 36px;
  height: 36px;
  color: white;
}

.auth-logo-text {
  color: white;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========================================
 * Form Styles
 * ======================================== */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.auth-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-base);
  box-sizing: border-box;
}

.auth-input::placeholder {
  color: var(--color-text-muted);
}

.auth-input:hover {
  border-color: #d1d5db; /* gray-300 */
}

.auth-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-ring);
  background: var(--color-bg-card);
}

/* Input with icon */
.auth-input-wrapper {
  position: relative;
}

.auth-input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: var(--transition-colors);
}

.auth-input-wrapper .auth-input {
  padding-left: calc(var(--space-4) + 18px + var(--space-3));
}

.auth-input-wrapper:focus-within .auth-input-icon {
  color: var(--color-primary);
}

/* ========================================
 * Button Styles
 * ======================================== */
.auth-btn {
  width: 100%;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  font-family: var(--font-sans);
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  margin-top: var(--space-2);
}

.auth-btn:hover {
  background: var(--color-primary-hover);
}

.auth-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.auth-btn:active {
  transform: scale(0.98);
}

/* Loading State */
.auth-btn.loading {
  pointer-events: none;
  opacity: 0.8;
}

.auth-btn.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  margin-left: var(--space-2);
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btnSpin 0.6s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

@keyframes btnSpin {
  to { transform: rotate(360deg); }
}

/* ========================================
 * Error Message
 * ======================================== */
.auth-error {
  padding: var(--space-3) var(--space-4);
  background: var(--color-danger-light);
  border: 1px solid #fecaca; /* red-200 */
  border-radius: var(--radius-md);
  color: var(--color-danger-dark);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.auth-error-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ========================================
 * Success Message
 * ======================================== */
.auth-success {
  padding: var(--space-4);
  background: var(--color-success-light);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  color: var(--color-success-dark);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.auth-success-icon {
  width: 48px;
  height: 48px;
  color: var(--color-success);
}

.auth-success p {
  margin: 0;
  font-weight: var(--font-medium);
}

.auth-btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.auth-btn-primary:hover {
  background: var(--color-primary-hover);
}

/* ========================================
 * Footer Links
 * ======================================== */
.auth-footer {
  margin-top: var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-colors);
}

.auth-link:hover {
  color: var(--color-primary);
}

.auth-link-primary {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.auth-link-primary:hover {
  color: var(--color-primary-hover);
}

.auth-link-success {
  color: var(--color-success);
  font-weight: var(--font-medium);
}

.auth-link-success:hover {
  color: var(--color-success-dark);
}

/* ========================================
 * Divider
 * ======================================== */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-divider span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ========================================
 * Role Badge
 * ======================================== */
.auth-role-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

/* ========================================
 * Responsive
 * ======================================== */
@media (max-width: 480px) {
  .auth-card {
    padding: var(--space-6);
    margin: var(--space-4);
    max-width: none;
  }
  
  .auth-logo {
    width: 56px;
    height: 56px;
  }
  
  .auth-title {
    font-size: var(--text-xl);
  }
}